-
The first record of African slavery in Colonial America was made in 1619
-
Slavery in the United States was a form of unfree labor which existed as a legal institution on American soil before the founding of the United States in 1776
-
By the 1860 United States Census, the slave population in the United States had grown to four million
-
The Emanipation Proclamation
-
the passage of the Thirteenth Amendment to the United States Constitution in 1865
-
Barack Obama officially becomes the 44th president of the United States